Iolascon, A UGT1 promoter polymorphism accounts for increased neonatal appearance of hereditary spherocytosis. [electronic resource] - Blood Feb 1998 - 1093 p. digital Publication Type: Letter ISSN: 0006-4971 Subjects--Topical Terms: FemaleGlucuronosyltransferase--geneticsHumansInfant, NewbornMalePolymorphism, GeneticPromoter Regions, GeneticSpherocytosis, Hereditary--genetics